Search a number
-
+
52307712 = 283273311
BaseRepresentation
bin1100011110001…
…0011100000000
310122102111200200
43013202130000
5101342321322
65105045200
71203415422
oct307423400
9118374620
1052307712
1127587616
1215626800
13aab5912
146d38812
1548d38ac
hex31e2700

52307712 has 108 divisors (see below), whose sum is σ = 153373584. Its totient is φ = 17141760.

The previous prime is 52307711. The next prime is 52307713. The reversal of 52307712 is 21770325.

It is an interprime number because it is at equal distance from previous prime (52307711) and next prime (52307713).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52307711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168037 + ... + 168347.

Almost surely, 252307712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52307712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76686792).

52307712 is an abundant number, since it is smaller than the sum of its proper divisors (101065872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52307712 is a wasteful number, since it uses less digits than its factorization.

52307712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 52307712 is about 7232.4070681897. The cubic root of 52307712 is about 373.9859108002.

The spelling of 52307712 in words is "fifty-two million, three hundred seven thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 73 96 128 144 146 192 219 256 288 292 311 384 438 576 584 622 657 768 876 933 1152 1168 1244 1314 1752 1866 2304 2336 2488 2628 2799 3504 3732 4672 4976 5256 5598 7008 7464 9344 9952 10512 11196 14016 14928 18688 19904 21024 22392 22703 28032 29856 39808 42048 44784 45406 56064 59712 68109 79616 84096 89568 90812 119424 136218 168192 179136 181624 204327 238848 272436 358272 363248 408654 544872 716544 726496 817308 1089744 1452992 1634616 2179488 2905984 3269232 4358976 5811968 6538464 8717952 13076928 17435904 26153856 52307712